Get the best from your Sharp AR series digital copier by installing a genuine Sharp Black Toner Cartridge (AR-450LT) and enjoy crisp text and quality illustrations. Your printer will display the message Change The Toner Cartridge when the current cartridge is exhausted. Make sure you have a replacement handy so you can resume printing as quickly as possible. This standard yield toner cartridge is packed with enough toner to print 27,000 pages.